Species

BackCanariola nubigena Krauss, 1892

Canariola nubigena Krauss, 1892

Canarian Laurel Bush-cricket

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Insecta
  • Order: Coleoptera
  • Family: Tettigoniidae
NT Near Treatened
IUCN Red List Status:

Countries of Occurrence:
Spain - Canaries

Archipelago(s):
Canaries

Assessor/s:
Hochkirch, A.

Reviewer/s:
Odé, B. & García, M.

Contributor/s:
Jakobs, D. & Kranz, M.

Facilitators / Compilers/s:


Assessment Rationale:

The Canarian Laurel Bush-cricket occurs mainly in laurel forests, which have become scarce on Tenerife. Its distribution, population trend and threats are poorly known. It may be threatened by rural and urban development in northern Tenerife and increasing wildfire frequencies. Its extent of occurrence (EOO) is 229 - 700 km², and its area of occupancy (AOO) is 20 - 200 km². The known number of locations is four, but may be higher. However, the species is flightless and the population is believed to be severely fragmented. As it is close to qualify as threatened under Criterion B, it is thus assessed as Near Threatened.

Geographic Range:

This species is endemic to Tenerife (Canary Islands, Spain) (Bland et al. 1996). Its known extent of occurrence (EOO) is 229 km², but its distribution is poorly documented. The maximum estimate of its EOO is 700 km². The known area of occupancy (AOO) is 20 km² with a maximum estimate of 400 km².

Regions:
Spain - Canaries
Extent of Occurrence (EOO):
229-700 (km2)
Area of Occupancy (AOO):
20-200 (km2)
Elevation Lower Limit:
100 (m)
Elevation Upper Limit:
1100 (m)
Biogeographic Realms:
Paleartic
Presence:
Extant
Origin:
Endemic Canaries
Seasonality:
Resident

Population:

There is no information available on the population size and trend of this species, as it lives in trees and is difficult to find. The species is flightless and the population is believed to be severely fragmented.

Habitat and Ecology

This species occurs mainly in laurel forests. It lives in trees, but its ecology is poorly known. Its altitudinal range is 100 - 1,100 m.

Major Threat(s):

This species occurs mainly in laurel forests, which have become scarce in Tenerife. The threats to the species are poorly understood. It may be threatened by ongoing urban and rural development, but particularly by increasing wildfire frequencies. Volcanic eruptions and landslides may also represent potential future threats. The number of known locations (based upon the threat of wildfires) is four, but may be higher.

Conservation Actions

The species occurs on the protected area of Parque Rural de Anaga (Tenerife), but there are no specific conservation actions in place for this species. Research on its taxonomy, population trend, ecology and threats is needed.